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Ion-Beam-Induced Plastic Deformation of Amorphous Materials

Published online by Cambridge University Press:  25 February 2011

S. Klaumünzer ,
Hou Ming-Dong ,
G. Schumacher  and
Li Chang-Lin
S. Klaumünzer
Affiliation:
Hahn-Meitner-Institut, P.O.Box 390 128, D-1000 Berlin 39, F.R.G.
Hou Ming-Dong
Affiliation:
Hahn-Meitner-Institut, P.O.Box 390 128, D-1000 Berlin 39, F.R.G.
G. Schumacher
Affiliation:
Hahn-Meitner-Institut, P.O.Box 390 128, D-1000 Berlin 39, F.R.G.
Li Chang-Lin
Affiliation:
Hahn-Meitner-Institut, P.O.Box 390 128, D-1000 Berlin 39, F.R.G.
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Abstract

At temperatures far below the glass transition temperature metallic glasses undergo plastic deformation during irradiation with a beam of fast heavy ions at energies at which electronic stopping is the dominant deceleration mechanism. This plastic deformation causes irreversible anisotropic changes in sample dimensions. Various (Fe,Co,Ni)∼8O(B,Si)∼20 glasses and the crystalline alloys Ni80Cr20 and Fe70Cr25A15 are examin? 9 for their susceptibility to this effect by irradiation below 50 K with 129Xe ions at 2.8 MeV/u. The data suggest that the excess free volume of an amorphous material is an essential parameter for the magnitude of ion-beam-induced plastic deformation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 93: Symposium C – Materials Modification and Growth Using Ion Beams , 1987 , 21
Copyright
Copyright © Materials Research Society 1987

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References

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